wood, ponderosa pine (#1808)

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ID-number#1808
Materialwood, ponderosa pine
Classification ECN Phyllis classification ▸ untreated wood ▸ fir/pine/spruce ▸ wood, ponderosa pine
NTA 8003 classification ▸ [100] hout ▸ [110] vers hout ▸ [130] naaldhout ▸ [131] naaldhout
Submitter organisationECN (Netherlands)
Submission date2000-10-19
LiteratureJ.H.Canova and D.J.Bushnell: Testing and evaluating the combustion characteristics of densified RDF and mixed waste paper. In: Proc. Energy from biomass and wastes XVI (Ed. D.L.Klass), pp. 1191-1219, Institute of Gas Technology, Chicago (1993).

Values

Property Unit Value Std dev Det lim Lab Date Method Remarks
ar dry daf

Main biomass properties

Proximate analysis
Moisture content wt% (ar)
Ash content wt% 0.22
Volatile matter wt% 83.15 83.33
Fixed carbon wt% 16.63 16.67 Calculated

Ultimate analysis (macroelements)
Carbon wt% 51.20 51.31 Measured
Hydrogen wt% 6.35 6.36 Measured
Oxygen wt% 41.98 42.07 Calculated
Nitrogen wt% 0.25 0.25 Measured
Sulphur wt% 0.01 0.01 Measured
Total (with halides) wt% 100.01 100.01 Calculated

Halides
Chlorine (Cl) mg/kg 8.0 8.0 Measured

Heating value
Net calorific value (LHV) MJ/kg 19.47 19.52
Gross calorific value (HHV) MJ/kg 20.86 20.91
HHVMilne MJ/kg 20.78 20.83 Calculated

Ash melting behaviour

American standard method, measured in oxidizing conditions
IDT (initial deformation temperature) °C 1 343
SOT (softening or spherical temperature) °C 1 354
HT (hemispherical temperature) °C 1 360
FT (fluid temperature) °C 1 377

Ash Properties

Ash composition
SO3 wt% (ash) 13.46
P2O5 wt% (ash) 2.82
SiO2 wt% (ash) 6.15
Fe2O3 wt% (ash) 1.53
Al2O3 wt% (ash) 0.92
CaO wt% (ash) 49.27
MgO wt% (ash) 13.53
Na2O wt% (ash) 1.28
K2O wt% (ash) 10.03
TiO2 wt% (ash) 1.20